import java.util.Scanner;
public class Example3_4 {
     public static void main(String args[]) {
        int number = 0;
        System.out.println("输入正整数(回车确定)");
        Scanner reader = new Scanner(System.in);
        number = reader.nextInt();
        switch(number) {
           case 9:
           case 131:
           case 12:  System.out.println(number+"是三等奖");
                     break;
           case 209:
           case 596:
           case 27:  System.out.println(number+"是二等奖");
                     break;
           case 875:
           case 316:
           case 59:  System.out.println(number+"是一等奖");
                     break;
           default:  System.out.println(number+"未中奖");
         }
      }
}
